Density Gradients in a Rotating Stratified Fluid: Experimental Evidence for a New Instability

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Science  04 Jun 1971:
Vol. 172, Issue 3987, pp. 1029-1031
DOI: 10.1126/science.172.3987.1029


Velocity gradients induced in a rapidly rotaiting, density-stratified saltwater solution by a slowly rotating disk produce sharp vertical gradients of density, which appear as regularly spaced, curved horizontal sheets when the ratio of angular velocities exceeds a critical value. The existence of the sheets is apparently a finite amplitude manifestationl of a recently proposed viscous instability.